My system is Debian Sid AMD64 up to date, following the last update including the bookshop kf5 and baloo, I am in the opening of the session by kdm first of all the standard screen of the progress of the opening then a black screen appears after a while the application " gkrelmn " some messages opening of " yakuake " then request of password for kwallet then nothing more except some messages saying that one or more mail are coming in. I do not see neither the bottom of screen, neither Kontact, nor the bar of launch in brief it is impossible to work. Other observation " gkrelmn " indicates me an activity supported on records(disks), and CPU, can be bound to the observation made in another e-mail of several baloofilerc filePhilippe Merlin